Pith Number

pith:5JPBWWPA

pith:2022:5JPBWWPA2VCQPLLSC6OMH4BGUA

not attested not anchored not stored refs pending

Approximate complex amplitude encoding algorithm and its application to data classification problems

Hiroyuki Tezuka, Kouhei Nakaji, Naoki Mitsuda, Naoki Yamamoto, Rudy Raymond, Tamiya Onodera, Tatsuhiro Ichimura, Tomoki Tanaka, Yohichi Suzuki

arxiv:2211.13039 v3 · 2022-11-23 · quant-ph

Open paper page JSON Open Graph Bundle Merged state Verified badge What is a Pith Number?

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{5JPBWWPA2VCQPLLSC6OMH4BGUA}

Prints a linked badge after your title and injects PDF metadata. Compiles on arXiv. Learn more · Embed verified badge

Record completeness

1 Bitcoin timestamp

2 Internet Archive

3 Author claim open · sign in to claim

4 Citations open

5 Replications open

✓ Portable graph bundle live · download bundle · merged state

The bundle contains the canonical record plus signed events. A mirror can host it anywhere and recompute the same current state with the deterministic merge algorithm.

Receipt and verification

First computed	2026-07-05T08:23:07.655400Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

ea5e1b59e0d54507ad72179cc3f026a029b5780dcfa6920cf61c82d47e40c228

Aliases

arxiv: 2211.13039 · arxiv_version: 2211.13039v3 · doi: 10.48550/arxiv.2211.13039 · pith_short_12: 5JPBWWPA2VCQ · pith_short_16: 5JPBWWPA2VCQPLLS · pith_short_8: 5JPBWWPA

Agent API

Resolver JSON Graph JSON Events JSON Schema Signing key

Verify this Pith Number yourself

curl -sH 'Accept: application/ld+json' https://pith.science/pith/5JPBWWPA2VCQPLLSC6OMH4BGUA \
  | jq -c '.canonical_record' \
  | python3 -c "import sys,json,hashlib; b=json.dumps(json.loads(sys.stdin.read()), sort_keys=True, separators=(',',':'), ensure_ascii=False).encode(); print(hashlib.sha256(b).hexdigest())"
# expect: ea5e1b59e0d54507ad72179cc3f026a029b5780dcfa6920cf61c82d47e40c228

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "9b72f754bccfdfe2c32f71527229653430da2389ff5a2e2be30559bc21fbbaa4",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "quant-ph",
    "submitted_at": "2022-11-23T15:46:29Z",
    "title_canon_sha256": "d38180f4b769be9d6bfed6896ad18009af00c5462b76949a2a766962e55d27c1"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2211.13039",
    "kind": "arxiv",
    "version": 3
  }
}